> I am using the latest xen-unstable by Jul. 15th. Everything
> is dom0 works
> fine. But as soon as I input 'xend start', all the network connections
> just die.
There's a bug on the bugzilla that sounds a lot like this.
When its in the bad state, please can you try putting eth0 into
'promisc' mode e.g.
ifconfig eth0 promisc up
The other thing to try is using brctl to remove eth0 from the bridge and
then re-add it.
If that doesn't work, try running
/etc/xen/scripts/network stop
/etc/xen/scripts/network start
You could also try unloading the modulefor your network card between the
two.
If any of these work we'll have a better idea of what is going on.
Ian
> I am using Broadcom NetXtreme network card, with tg3 driver.
>
> I have collected some basic information and post it in the
> following part.
> I remember some one seems to meet the same problem before,
> and I try to
> find the solution is that thread, but no luck.
>
> Could anyone give any help? Thanks.
>
> ======================================================================
> Result for ifconfig:
>
> BEFORE xend start:
> eth0 Link encap:Ethernet HWaddr 00:0D:60:9A:15:60
> inet addr:9.2.72.112 Bcast:9.2.72.127 Mask:255.255.255.128
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:89 errors:0 dropped:0 overruns:0 frame:0
> TX packets:83 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:1000
> RX bytes:14402 (14.0 KiB) TX bytes:7781 (7.5 KiB)
> Interrupt:16
>
> lo Link encap:Local Loopback
> inet addr:127.0.0.1 Mask:255.0.0.0
> UP LOOPBACK RUNNING MTU:16436 Metric:1
> RX packets:16 errors:0 dropped:0 overruns:0 frame:0
> TX packets:16 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:0
> RX bytes:1168 (1.1 KiB) TX bytes:1168 (1.1 KiB)
> AFTER xend start:
> eth0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
> UP BROADCAST RUNNING NOARP MULTICAST MTU:1500 Metric:1
> RX packets:0 errors:0 dropped:0 overruns:0 frame:0
> TX packets:6 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:1000
> RX bytes:0 (0.0 b) TX bytes:576 (576.0 b)
> Interrupt:16
>
> lo Link encap:Local Loopback
> inet addr:127.0.0.1 Mask:255.0.0.0
> UP LOOPBACK RUNNING MTU:16436 Metric:1
> RX packets:16 errors:0 dropped:0 overruns:0 frame:0
> TX packets:16 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:0
> RX bytes:1168 (1.1 KiB) TX bytes:1168 (1.1 KiB)
>
> veth0 Link encap:Ethernet HWaddr 00:0D:60:9A:15:60
> inet addr:9.2.72.112 Bcast:9.2.72.127 Mask:255.255.255.128
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:0 errors:0 dropped:0 overruns:0 frame:0
> TX packets:6 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:0
> RX bytes:0 (0.0 b) TX bytes:552 (552.0 b)
>
> vif0.0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:6 errors:0 dropped:0 overruns:0 frame:0
> TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:0
> RX bytes:552 (552.0 b) TX bytes:0 (0.0 b)
>
> xen-br0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:6 errors:0 dropped:0 overruns:0 frame:0
> TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:0
> RX bytes:468 (468.0 b) TX bytes:0 (0.0 b)
>
>
> =================================================================
> Result for 'ip route show'
> BEFORE xend start:
> 9.2.72.0/25 dev eth0 proto kernel scope link src 9.2.72.112
> 169.254.0.0/16 dev eth0 scope link
> default via 9.2.72.1 dev eth0
> AFTER:
> 9.2.72.0/25 dev veth0 proto kernel scope link src 9.2.72.112
> 169.254.0.0/16 dev veth0 scope link
> default via 9.2.72.1 dev veth0
>
> =================================================================
> Result for 'ip addr show'
> BEFORE:
> 1: lo: <LOOPBACK,UP> mtu 16436 qdisc noqueue
> link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
> inet 127.0.0.1/8 scope host lo
> 2: vif0.0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop
> link/ether fe:ff:ff:ff:ff:ff brd ff:ff:ff:ff:ff:ff
> 3: veth0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop
> link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff
> 4: eth0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast qlen 1000
> link/ether 00:0d:60:9a:15:60 brd ff:ff:ff:ff:ff:ff
> inet 9.2.72.112/25 brd 9.2.72.127 scope global eth0
> 5: eth1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop qlen 1000
> link/ether 00:0d:60:9a:15:61 brd ff:ff:ff:ff:ff:ff
> AFTER:
> 1: lo: <LOOPBACK,UP> mtu 16436 qdisc noqueue
> link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
> inet 127.0.0.1/8 scope host lo
> 2: vif0.0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue
> link/ether fe:ff:ff:ff:ff:ff brd ff:ff:ff:ff:ff:ff
> 3: veth0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue
> link/ether 00:0d:60:9a:15:60 brd ff:ff:ff:ff:ff:ff
> inet 9.2.72.112/25 brd 9.2.72.127 scope global veth0
> 4: eth0: <BROADCAST,MULTICAST,NOARP,UP> mtu 1500 qdisc pfifo_fast qlen
> 1000
> link/ether fe:ff:ff:ff:ff:ff brd ff:ff:ff:ff:ff:ff
> 5: eth1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop qlen 1000
> link/ether 00:0d:60:9a:15:61 brd ff:ff:ff:ff:ff:ff
> 6: xen-br0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue
> link/ether fe:ff:ff:ff:ff:ff brd ff:ff:ff:ff:ff:ff
>
> =====================================================================
> Result for "route -n"
> BEFORE:
> Kernel IP routing table
> Destination Gateway Genmask Flags Metric
> Ref Use Iface
> 9.2.72.0 0.0.0.0 255.255.255.128 U 0
> 0 0 eth0
> 169.254.0.0 0.0.0.0 255.255.0.0 U 0
> 0 0 eth0
> 0.0.0.0 9.2.72.1 0.0.0.0 UG 0
> 0 0 eth0
> AFTER:
> Kernel IP routing table
> Destination Gateway Genmask Flags Metric
> Ref Use Iface
> 9.2.72.0 0.0.0.0 255.255.255.128 U 0
> 0 0 veth0
> 169.254.0.0 0.0.0.0 255.255.0.0 U 0
> 0 0 veth0
> 0.0.0.0 9.2.72.1 0.0.0.0 UG 0
> 0 0 veth0
>
> ======================================================================
> xm log after xend start: (last few lines)
> 2005-07-15 17:14:44 xend] DEBUG (XendDomainInfo:177) config='None'
>
> [2005-07-15 17:14:44 xend] INFO (SrvServer:63) unix
> path=/var/lib/xend/xend-socket
> [2005-07-15 17:14:44 xend] INFO (XendRoot:128) EVENT> xend.start 0
> [2005-07-15 17:14:44 xend] INFO (process:35) [network] network start
> bridge=xen-br0 netdev=eth0 antispoof=no
>
> ==============================================================
> =========
> dmesg after xend start:
> device vif0.0 entered promiscuous mode
> xen-br0: port 1(vif0.0) entering learning state
> xen-br0: topology change detected, propagating
> xen-br0: port 1(vif0.0) entering forwarding state
> device eth0 entered promiscuous mode
> tg3: eth0: Link is up at 100 Mbps, full duplex.
> tg3: eth0: Flow control is off for TX and off for RX.
> xen-br0: port 2(eth0) entering learning state
> xen-br0: topology change detected, propagating
> xen-br0: port 2(eth0) entering forwarding state
>
>
>
>
> Regards,
> Wei
>
>
>
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>
>
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